Cita APA (7th ed.)

Orchard, T., Thiyagaraja, S., Welsh, K., Wordsworth, B., & Jewell, D. (1998). HLA genes are important phenotype determining genes in the peripheral arthropathies of inflammatory bowel disease (IBD).

Cita Chicago (17th ed.)

Orchard, T., S. Thiyagaraja, K. Welsh, B. Wordsworth, i D. Jewell. HLA Genes Are Important Phenotype Determining Genes in the Peripheral Arthropathies of Inflammatory Bowel Disease (IBD). 1998.

Cita MLA (9th ed.)

Orchard, T., et al. HLA Genes Are Important Phenotype Determining Genes in the Peripheral Arthropathies of Inflammatory Bowel Disease (IBD). 1998.